Route on-time record
DAL to LGA: most on-time flights and the best time to fly
Dallas (Dallas Love Field) to New York (LaGuardia Airport). 1,492 nonstop flights in Jun 2025 to May 2026, 64% arrived within 15 minutes and 3.0% were cancelled. The most reliable flight number was Southwest 4147 at 6:15 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
DAL → LGA
Dallas to New York: 1,492 nonstop flights a year
On time (12 months)
64%
Cancelled
3.0%
avg delay 26 min
Best time to leave
Before 9 AM
89% on time vs 35% 6 to 9 PM
Most reliable airline
Southwest
62% chance on time
Lowest nonstop fare seen in the next two months: $107 (Southwest 1450 on 2026-11-14). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Southwest 4147
6:15 AM → 10:30 AM3h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
- On time (history)
- 85%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 85% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 35%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Limited track record · 55 flights
Find Southwest 4147 fares Opens this date on Aviasales#2 · Southwest 2462
8:30 AM → 12:50 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-29.
83%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 92% of the time (39 flights, Jun 2025 to May 2026).
- Never cancelled in 39 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 35%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Limited track record · 39 flights
Find Southwest 2462 fares Opens this date on Aviasales#3 · Southwest 3651
6:00 AM → 10:10 AM3h 10m nonstop
Local times, typical schedule. Last flown 2026-04-06.
80%
chance on time
- On time (history)
- 81%
- Cancelled
- 21.4%
- Avg arrival delay
- 9 min
- Arrived on time 81% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 35%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find Southwest 3651 fares Opens this date on Aviasales#4 · Southwest 2189
8:00 AM → 12:15 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-04-04.
72%
chance on time
- On time (history)
- 62%
- Cancelled
- 12.5%
- Avg arrival delay
- 20 min
- Arrived on time 62% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 35%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Lands inside LGA's trouble window: 54% of its 285 ground stops and delay programs started between noon and 6 PM.
Limited track record · 21 flights
Find Southwest 2189 fares Opens this date on Aviasales#5 · Southwest 418
11:45 AM → 3:55 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-04-06. Same departure also flew as Southwest 16; its record covers all of them.
49%
chance on time
- On time (history)
- 30%
- Cancelled
- 3.6%
- Avg arrival delay
- 58 min
- Arrived on time 30% of the time (27 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Lands inside LGA's trouble window: 54% of its 285 ground stops and delay programs started between noon and 6 PM.
- Short track record (27 flights), so its score leans on the airline's record at this hour.
Limited track record · 27 flights
Find Southwest 418 fares Opens this date on Aviasales#6 · Southwest 107
6:00 PM → 10:15 PM3h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
43%
chance on time
- On time (history)
- 37%
- Cancelled
- 5.5%
- Avg arrival delay
- 40 min
- Arrived on time 37% of the time (52 flights, Jun 2025 to May 2026).
- Cancelled 5.5% of the time (3 of 55).
- Leaves in this route's least on-time window (6 to 9 PM: 35% on time; Before 9 AM: 89%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Limited track record · 52 flights
Find Southwest 107 fares Opens this date on Aviasales#7 · Southwest 3638
12:35 PM → 4:50 PM3h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
43%
chance on time
- On time (history)
- 26%
- Cancelled
- 1.8%
- Avg arrival delay
- 35 min
- Arrived on time 26% of the time (53 flights, Jun 2025 to May 2026).
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Lands inside LGA's trouble window: 54% of its 285 ground stops and delay programs started between noon and 6 PM.
- Short track record (53 flights), so its score leans on the airline's record at this hour.
Limited track record · 53 flights
Find Southwest 3638 fares Opens this date on Aviasales#8 · Southwest 406
4:05 PM → 8:25 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-29. Same departure also flew as Southwest 1654; its record covers all of them.
39%
chance on time
- On time (history)
- 26%
- Cancelled
- 6.0%
- Avg arrival delay
- 55 min
- Arrived on time 26% of the time (62 flights, Jun 2025 to May 2026).
- Cancelled 6.0% of the time (4 of 67).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Moderate track record · 62 flights
Find Southwest 406 fares Opens this date on Aviasales#9 · Southwest 3014
6:20 PM → 10:30 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-04-06.
37%
chance on time
- On time (history)
- 16%
- Cancelled
- 0.0%
- Avg arrival delay
- 67 min
- Arrived on time 16% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 35% on time; Before 9 AM: 89%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Limited track record · 32 flights
Find Southwest 3014 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines62%
1,492 flights · 64% on time as flown · 3.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM89%
465 flights · avg delay 7 min
- 9 AM to noon68%
280 flights · avg delay 23 min
- Noon to 3 PM55%
310 flights · avg delay 30 min
- 3 to 6 PM43%
332 flights · avg delay 44 min
- 6 to 9 PM35%
105 flights · avg delay 45 min
Best day: Saturday (79%). Worst: Thursday (66%).
Smarter routing
Nearby airports that run more on time
DFW → JFK 76% chance on time
Dallas Fort Worth International Airport to John F. Kennedy International Airport · 2,036 flights a year · 23 mi from your airports · yours: 62%
DFW → EWR 69% chance on time
Dallas Fort Worth International Airport to Newark Liberty International Airport · 3,515 flights a year · 29 mi from your airports · yours: 62%
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Air traffic control and airport volume42%
- Airline (crew, maintenance, boarding)30%
- Late-arriving aircraft25%
- Severe weather3%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
DAL to LGA questions
- What time of day is best to fly DAL to LGA?
- Before 9 AM: 89% of flights arrived on time, against 35% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from DAL to LGA?
- Southwest, with a season-adjusted 62% chance of operating and arriving on time over 1,492 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on DAL to LGA?
- May (60% on time); the best was January (83%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from DAL
- LGA to DAL (return)
- DAL to HOU 74%
- DAL to ATL 79%
- DAL to DEN 69%
- DAL to PHX 76%
- DAL to LAS 76%
- DAL to SAT 79%
- DAL to MCO 71%
- DAL to BNA 73%
- DAL to AUS 78%
- DAL to MSY 76%
- DAL to MDW 71%
- DAL to MCI 76%
Live status: FAA delays and ground stops